stentorian

from WordNet (r) 3.0 (2006)

stentorian
    adj 1: used of the voice [syn: {booming}, {stentorian}]

from The Collaborative International Dictionary of English v.0.48

Stentorian \Sten*to"ri*an\, a. [L. stentoreus; cf. Gr. ?.]
   Of or pertaining to a stentor; extremely loud; powerful; as,
   a stentorian voice; stentorian lungs.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

39 Moby Thesaurus words for "stentorian":
      blaring, boanergean, booming, brazen-mouthed, clamorous, deafening,
      ear-piercing, ear-rending, ear-splitting, earsplitting,
      earthshaking, forte, fortissimo, full, full-throated, gravelly,
      loud, loud-sounding, loud-voiced, loudish, loudmouthed, orotund,
      pealing, piercing, plangent, resounding, ringing, roaring, rough,
      sonorous, stentoraphonic, stentorious, thunderous, tonitruant,
      tonitruous, trumpet-tongued, trumpet-voiced, vociferous,
      window-rattling